| 摘要 |
Flexible reinforced polymeric material (30) comprises two elongate flexible support layers (31, 39) to the inner facing surfaces of which parallel warp elements (36) are secured to extend in their longitudinal direction. The support layers lie in an offset superimposed relationship such that the longitudinal edge of one support layer is transversely offset relative to the respective edge of the other, some of the warp elements laying sandwiched between the support layers but at least one warp element that is secured to each respective edge region of support layer surface lying transversely beyond the corresp. edge region of the other support layer of the pari. The warp element at each edge region is arranged spaced from a neighbouring warp element, the two edge regions having identical arrangements of of warp elements (32, 33, 40; 37, 38, 41) arrange dsuch that they may interlock with each other.
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